What is Diriyah, a UNESCO World Heritage Site near Riyadh, historically significant for?

• A The original home of the Saudi royal family and first Saudi state ✓
• B The site of the first oil well
• C An ancient Roman trading post
• D The location of the first Saudi university

Diriyah was the capital of the first Saudi state, founded in 1727, and is being restored as a major heritage and cultural site.